Experience - the wisdom that enables us to recognise in an undesirable old acquaintance the folly that we have already embraced.

Experience - the wisdom that enables us to recognise in an undesirable old acquaintance the folly that we have already embraced.

经验——一种智慧，它使我们能够从一个不受欢迎的老朋友身上认识到我们已经接受的愚蠢。

-- Ambrose Bierce 比尔斯